Patents by Inventor Frederick G. Hewitt

Frederick G. Hewitt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks; apparatus; and, applications
    Publication number: 20030058434
    Abstract: A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
    Type: Application
    Filed: May 21, 2002
    Publication date: March 27, 2003
    Applicant: Orfield Laboratories
    Inventors: Frederick G. Hewitt, Steven J. Orfield
  • Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks, apparatus; and, applications
    Patent number: 6417919
    Abstract: A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: July 9, 2002
    Assignee: Orfield Laboratories, Incorporated
    Inventors: Frederick G. Hewitt, Steven J. Orfield
  • Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks; apparatus; and, applications
    Patent number: 6147752
    Abstract: A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: November 14, 2000
    Assignee: Orfield Laboratories, Incorporated
    Inventors: Frederick G. Hewitt, Steven J. Orfield
  • Industrial viewing station for inspection of defects
    Patent number: 5841530
    Abstract: A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: November 24, 1998
    Inventors: Frederick G. Hewitt, Steven J. Orfield
  • Methods for assessing visual tasks to establish desirable lighting and viewing conditions for performance of tasks; apparatus; and, applications
    Patent number: 5686987
    Abstract: A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: November 11, 1997
    Assignee: Orfield Associates, Inc.
    Inventors: Frederick G. Hewitt, Steven J. Orfield
  • Magneto-optic light deflector system
    Patent number: 4270862
    Abstract: An apparatus for and a method of utilizing a magneto-optic stripe domain light deflector for both the transmitted and received light beam.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: June 2, 1981
    Assignee: Sperry Corporation
    Inventor: Frederick G. Hewitt